Home / 346,109.16-477,629.70-193,145.76

Finding the Fourth Proportional to 346,109.16, 477,629.70 and 193,145.76

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Solution

The fourth proportional to 346,109.16, 477,629.70 and 193,145.76 is: 266,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,109.16 : 477,629.70 = 193,145.76 : x
  2. Step 2: Convert to fraction form
    346,109.16/477,629.70 = 193,145.76/x
  3. Step 3: Cross multiply
    346,109.16x = 477,629.70 × 193,145.76
  4. Step 4: Simplify right side
    346,109.16x = 92,252,151,405.07
  5. Step 5: Solve for x
    x = 92,252,151,405.07/346,109.16
  6. Step 6: Final answer
    x = 266,540.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.